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masha68 [24]
3 years ago
8

Simplify the rational expression. State any excluded values.. . x-2/x^2+3x-10. . A. x^2. . B. x+5, where x is not equal to -5 .

. C. 1/x2 where x is not equal to -2 . . D. 1/x+5 where x is not equal to -5 .
Mathematics
1 answer:
max2010maxim [7]3 years ago
5 0

Answer:

D

Step-by-step explanation:

(x-2)/(x-2)(x+5)

1/(x+5)

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A blimp is flying at a speed of 40mph and going in a direction of 80 degrees. After 3 hours of flying it turns and travels 1 hou
kykrilka [37]

Bearing is a topic that can be used to <u>locate</u> the <em>position</em> of an object at a given time. Therefore, the blimp is <em>80 m</em> far away from its <u>starting</u> point. And in the<em> North-East </em>direction.

The <u>speed</u> of an object relates the <em>distance</em> it covers to the <u>time taken</u> to cover the said distance.

i.e speed = \frac{distance}{time taken}

⇒ distance = speed x time taken

In the given question, the <u>initial</u> distance covered can be determined as;

distance = 40 mph x 3 h

              = 120 m

The<u> final </u>distance covered can be determined as;

distance = 40 mph x 1 h

              = 40 m

Let the <u>distance</u> from its <em>starting</em> point to its <em>fina</em>l location be represented by x.

Thus applying the<em> Cosine rule</em>, we have:

c^{2} = a^{2} + b^{2} - 2abCos C

x^{2} = 120^{2} + 40^{2} - 2(120 x 40) Cos 90

   = 14400 + 1600 - 9600

x^{2} = 16000 - 9600

   = 6400

x = \sqrt{6400}

 = 80

x = 80 m

Therefore, the <u>distance</u> of the blimp from its <em>starting</em> point to its <em>final</em> destination is <u>80 m</u>.

For more clarifications on bearings, visit: brainly.com/question/22979472

#SPJ1

6 0
2 years ago
A. -3/2<br> b. 0<br> c. 3/2<br> d. DNE
mart [117]
The answer would be cA
6 0
3 years ago
Write an expression that represents the sum of B and 5 x 2
Romashka-Z-Leto [24]
Since sum indicates addition, you want to add the two terms together. 
B + (5x2)
If the answer needs to be simplified, you can do the multiplication to get:
B + 10
3 0
3 years ago
Help pls jssjsjnsbdjdjdu
grandymaker [24]
The answer is d because that’s the process that it takes and has
5 0
3 years ago
Read 2 more answers
5/3x+1/3x=26 2/3+7/3x<br>solve for X​
Marat540 [252]

Let's solve your equation step-by-step.

5 /3 x+  1 /3 x=  262 /3  + 7 /3  x

x=−262

Description:

The first step is to simplify the equation step by step and to simplify an equation you can first multiplying the factors and use the exponent rules to remove the parentheses. After that youneed to combine it a terms. Then you will get your answer.

Answer:  x=−262

Hope this helps.

7 0
3 years ago
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